--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/runtime/stackValueCollection.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2001-2002 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+class StackValueCollection : public ResourceObj {
+ private:
+  GrowableArray<StackValue*>* _values;
+
+ public:
+  StackValueCollection()            { _values = new GrowableArray<StackValue*>(); }
+  StackValueCollection(int length)  { _values = new GrowableArray<StackValue*>(length); }
+
+  void add(StackValue *val) const   { _values->push(val); }
+  int  size() const                 { return _values->length(); }
+  bool is_empty() const             { return (size() == 0); }
+  StackValue* at(int i) const       { return _values->at(i); }
+
+  // Get typed locals/expressions
+  jint  int_at(int slot) const;
+  jlong long_at(int slot) const;
+  Handle obj_at(int slot) const;
+  jfloat  float_at(int slot) const;
+  jdouble double_at(int slot) const;
+
+  // Set typed locals/expressions
+  void set_int_at(int slot, jint value);
+  void set_long_at(int slot, jlong value);
+  void set_obj_at(int slot, Handle value);
+  void set_float_at(int slot, jfloat value);
+  void set_double_at(int slot, jdouble value);
+
+  void print();
+};